TY - GEN AU - Dawson,A A AU - Donald,D TI - The serum vitamin B-12 in the elderly SN - 0016-8998 PY - 1967///0702 KW - Aged KW - Female KW - Humans KW - Male KW - Mental Disorders KW - Vitamin B 12 KW - blood N1 - Publication Type: Journal Article UR - https://doi.org/10.1159/000244957 ER -